Backend Principle Eng Python Pro Max

Principal-level guidance for Python backend systems in product companies. Emphasizes correctness, reliability, and operational excellence.

When to Apply

• Designing or refactoring Python services, APIs, and data pipelines
• Reviewing PRs for correctness, reliability, performance, and security
• Planning migrations, scalability, or cost optimizations
• Incident follow-ups and systemic fixes

Priority Model (highest to lowest)